CN112075728A - Second improved fastener tape, zipper, covering tool and forming method thereof - Google Patents
Second improved fastener tape, zipper, covering tool and forming method thereof Download PDFInfo
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- CN112075728A CN112075728A CN202011043611.6A CN202011043611A CN112075728A CN 112075728 A CN112075728 A CN 112075728A CN 202011043611 A CN202011043611 A CN 202011043611A CN 112075728 A CN112075728 A CN 112075728A
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/34—Stringer tapes; Flaps secured to stringers for covering the interlocking members
- A44B19/346—Woven stringer tapes
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Abstract
A second improved fastener tape, a zipper, a covering tool and a forming method thereof, wherein the fastener tape comprises criss-cross warps and wefts extending along a longitudinal direction, and seen from a cross section direction, the fastener tape comprises an outer connecting part and an inner connecting part which are connected with each other through the wefts, the outer connecting part and the inner connecting part are relatively bent, the outer connecting part is used for connecting an external cloth-shaped object, the inner connecting part is used for mounting a fastener element, the inner connecting part comprises a mounting area for combining a suture, and the suture is used for connecting the fastener element and the inner connecting part; the inner connecting part is characterized in that at least the mounting area of the inner connecting part also comprises low-melting-point filler, and at least part of the low-melting-point filler is fixedly connected with the warp and the weft in a welding mode so as to enable the mounting area to be in a hardened structure and keep the flexibility and the connecting force of the inner connecting part in two directions; the purpose can be directly realized by only adding the filler on the basis of not changing the existing manufacturing process, so that the process is simple, and the block structure is stable and reliable.
Description
Technical Field
The invention relates to a fastener tape for an invisible zipper, a covering tool for an application product and a forming method thereof. More particularly, the present invention relates to a concealed slide fastener in which, after coupling fastener elements are attached to the inner sides of left and right fastener tapes, even if the fastener tapes are pulled hard (i.e., a relatively large pulling force is simultaneously applied to the left and right fastener tapes), the fastener elements are not easily exposed from the front side of the fastener tapes, and the fastener elements can be concealed well.
Background
As far as invisible zippers are concerned, there are very many varieties on the market. However, generally, when the fastener elements are attached to the inner sides of the right and left fastener tapes, the fastener elements are exposed to the outside very significantly when the fastener tapes are pulled in the right and left directions by force. However, in some applications, such as furniture seating, car seating, trim panels, and the like, where invisible zippers are used, it is desirable to significantly reduce such exposed teeth to provide an overall aesthetic appearance. That is, it is required to greatly reduce the gap as viewed from the front of the slide fastener.
To solve the above problems, published documents were disclosed in the first 2012 in Chinese patent 200980161353.7 and 1976 in Japanese Kokoku publication No. 51-4826. Among them, japanese examined patent publication No. 51-4826 discloses a concealed slide fastener having a woven fastener tape having a tape main body portion and an element attaching portion for attaching a fastener element, wherein a hardened portion hardened by impregnating a synthetic resin solution is provided in the element attaching portion of the fastener tape and a part of an element attaching portion side of a tape bending portion. When the left and right fastener elements are engaged by sewing the fastener elements to the hardened portions with sewing thread, the tape bending portions of the left and right fastener tapes can be stably maintained in a state of being in close contact with each other, and a gap can be prevented from being formed between the left and right tape bending portions. Therefore, the left and right fastener elements in the engaged state can be stably concealed from the exposed surface side of the concealed slide fastener. The biggest problem in this case is that when the fastener elements are sewn to the element mounting portion, it is difficult for a sewing needle (sewing machine needle) to pass through the element mounting portion (hardened portion), and sewing of the fastener elements cannot be smoothly performed.
Further, in japanese unexamined patent publication No. 51-4826, as a modification of the concealed slide fastener, there is disclosed a concealed slide fastener in which, instead of hardening a partial region of a fastener tape by impregnation with a synthetic resin liquid, a synthetic resin film body is fastened to one surface (tape outer surface) of the partial region to thereby harden the partial region of the fastener tape. By fastening the film body in this way, the left and right fastener elements are engaged with each other, and the state in which the tape bend portions of the left and right fastener tapes are in close contact with each other can be stably maintained, so that the fastener elements can be stably concealed. However, in the concealed slide fastener in which the element attaching portion and the like are hardened by fastening the film body as described above, when the film body is fastened to the fastener tape, the film body is easily displaced. Further, when the film body is displaced from the fastening position of the fastener tape, the predetermined position of the fastener tape cannot be stably hardened, and thus there is a problem that the concealing property of the concealed slide fastener is lowered.
In order to solve the problem of japanese unexamined patent publication No. 51-4826, chinese patent application No. 200980161353.7 proposes a concealed slide fastener in which a fastener element attaching portion has a tubular bag fabric portion formed of a continuous tubular bag fabric in which a film body is enclosed, the tubular bag fabric portion includes an upper thread passing region through which an upper thread on the folded tape section side of the sewing thread passes, and the film body enclosed in the tubular bag fabric portion is sewn together with the fastener element by the upper thread in a state in which one end edge of the film body is disposed on the folded tape section side of the upper thread. Namely, the film body is wrapped and fixed by the tube bag fabric part, so that the film body is difficult to move in the tube bag fabric part and the pinhole bulges can not be exposed. However, when the film body of the slide fastener and the tubular bag fabric portion thereof are subjected to a pulling force applied to the left and right sides by the sewing thread of the sewing element, the tubular bag fabric portion itself is not tight and is simultaneously pulled, and a large gap is generated.
In view of the problems of the chinese invention patent 200980161353.7, the chinese 201721282792.1 utility model discloses a woven tape for slide fasteners, which uses the film body as a sheet-shaped warp of a fastener element connecting part, wherein the sheet-shaped warp has a hardness higher than that of other surrounding warps and wefts, and the sheet-shaped warp and the wefts are interwoven together to form at least a part of the fastener element connecting part. The improvement of the structure still has the problem that when the pulling force is applied to the left side and the right side, the fastener element connecting part is not tight, and the fastener element connecting part is simultaneously pulled, so that a large gap is generated.
Disclosure of Invention
In order to further reduce the gap between the fastener element mounting part of the fastener tape and the exposed fastener element when the fastener element mounting part is pulled left and right, the invention firstly provides a second improved fastener tape, which comprises longitudinally extending warps and wefts which are crisscrossed, and comprises an outer connecting part and an inner connecting part which are connected with each other through the wefts when viewed from the cross section direction, wherein the outer connecting part and the inner connecting part are relatively bent, the outer connecting part is used for connecting an external cloth object, the inner connecting part is used for mounting the fastener element, the inner connecting part comprises a mounting area for combining a seam, and the seam is used for connecting the fastener element and the inner connecting part; the inner connecting part is characterized in that at least the mounting area also comprises low-melting-point filler, and at least part of the low-melting-point filler is fixedly connected with warp and weft in a welding manner so as to enable the mounting area to be in a hardened structure.
Wherein the warp threads are yarns extending in a longitudinal direction in which the fastener tapes extend, and the weft threads are arranged in a direction substantially perpendicular to the warp threads, which when interlaced together form a tape. Since the warp threads are not subjected to a left-right pulling force before welding, the weft threads extend from the outer connecting portion to the inner connecting portion, and the outer connecting portion and the inner connecting portion are connected to each other mainly by the weft threads.
The outer connecting part and the inner connecting part are bent relatively, so that the relative arrangement angle of the outer connecting part and the inner connecting part is defined, a bending transition part can exist between the outer connecting part and the inner connecting part, and the outer connecting part and the inner connecting part are actually connected through the bending transition part. And secondly, the outer connecting part and the inner connecting part are relatively bent, and the zipper teeth can be sewn on one side surface of the inner connecting part so as to form the invisible zipper. The bending process or structure is generally performed when the slide fastener is finally formed, and it is not always necessary to bend the outer connecting portion and the inner connecting portion relative to each other at least when the fastener elements are attached.
The zipper teeth are connected with the inner connecting part through a suture, so that an installation area for combining the suture exists on the inner connecting part, the suture is combined with the longitude and latitude lines of the position when passing through the installation area, the longitude and latitude lines of the installation area form the positioning of the suture, and the installation area at least surrounds the suture. Since the thread is sewn to the mounting region through the fastener elements, there is no necessary logical relationship between the width of the fastener elements and the width of the mounting region, as long as the mounting region can be connected to the thread, as analyzed from the connection method.
The welding comprises two types, wherein the first type is that the low-melting-point filler per se forms a block shape in a melting mode, the second type is that the melted low-melting-point filler is welded to other unmelted warps and wefts, and after the temperature is reduced, the melted low-melting-point filler per se becomes hard, and the warps and the wefts can be fixedly connected with each other through the low-melting-point filler to form a hardened structure.
In the above-mentioned structural arrangement, the fusible low-melting-point filler may be arranged in the whole inner connecting portion so as to be welded between all the adjacent warp and weft threads, only part of the low-melting-point filler may be fused, or part of the warp threads, even part of the fiber filaments in the warp threads, may be set as fusible low-melting-point fiber filaments; the low-melting-point filler itself may be a granular, sheet-like or strip-like material such as a fiber filament, a fiber particle, a plastic sheet or a plastic particle which can be melted at low temperature, or a sheet-like or strip-like material containing the low-temperature melting material. Furthermore, it is also possible to set the entire inner connecting portion as a hardened structure, or to set the mounting region as a hardened structure, or to extend the hardened structure from the seam position to the bent transition portion by a certain width.
According to the technical scheme, compared with the prior art, the low-melting-point filler is fixedly connected with the warps and the wefts in a welding mode to at least enable the installation area to form a hardened state structure, the low-melting-point filler is only required to be melted and connected into blocks in a heating mode on the basis of the traditional warp and weft interweaving process, the process is simple, and the block structure is stable and reliable; secondly, the hardened state structure enables the warp in the installation area to have the capacity of resisting tension in the left and right directions, and the hardened state structure can reduce the left and right movement of the suture relative to the installation area when the chain belts are subjected to the left and right tension, so that a gap between the two chain belts after the chain teeth are installed is smaller when viewed from the front. The heating process of forming the hardened structure in the mounting area can be completely realized by the aid of the heating process in the shaping process when the dyed chain belt forms the bending structure.
In a further technical scheme, the hardened state structure extends inwards to a bending transition position between the outer connecting part and the inner connecting part, and through the extension arrangement, a stable gap for a bottom plate of the slider to pass through can be formed between the bending transition position and the zipper teeth, so that the slider can move up and down conveniently, and the bending transition position starts to be bent by taking the hardened state structure as a reference, so that a gap between the two zipper belts viewed from the front is further reduced.
Further technical solution may also be that the thickness of the inner connecting portion is greater than the thickness of the outer connecting portion. This may enhance the rigidity of the inner connection part, in particular the structure in a hardened condition.
The further technical scheme can also be that the low-melting-point filler is a ribbon or a thread, so that the operation and the processing are facilitated.
The present invention further provides a slide fastener using the first modified fastener tape, comprising two fastener tapes according to any one of claims 1 to 4, wherein fastener elements are attached to the attachment region of the inner connecting portion of each of the fastener tapes by sewing; the zipper is characterized by further comprising a pull head, wherein the pull head is combined with the two rows of zipper teeth and is used for enabling the two rows of zipper teeth to be mutually meshed or opened.
The invention further provides a covering tool using the zipper, which comprises an outer layer formed by cloth-shaped objects, wherein the cloth-shaped objects are provided with seaming parts; wherein the zipper of claim 5 is coupled to the seaming portion for linking or opening the cloth; the cloth-like object is textile, real leather or leather; the skin appliance is a garment, a seat, a sofa, a mattress or a decorative panel.
The invention further provides a method for forming the chain belt, which comprises longitudinally extending warps and wefts, wherein the warps and the wefts are crisscrossed, the chain belt comprises an outer connecting part and an inner connecting part which are connected with each other through the wefts, the outer connecting part and the inner connecting part are relatively bent, the outer connecting part is used for connecting an external cloth object, the inner connecting part is used for installing chain teeth, the inner connecting part comprises an installing area used for combining stitches, and the stitches are used for connecting the chain teeth and the inner connecting part; the method is characterized in that low-melting-point fillers are added at least in the installation area, the melting temperature of the low-melting-point fillers is at least lower than that of wefts, after warps and wefts are interwoven and the low-melting-point fillers are assembled, the inner connecting part is heated at the heating temperature which is matched with the melting temperature of the low-melting-point fillers, so that the low-melting-point fillers are melted and filled in gaps between the warps and the wefts and become frits, the low-melting-point fillers are hardened, and the low-melting-point fillers are welded to the warps and the wefts, so that a hardened structure is obtained.
Wherein the low melting point filler becomes hard, which is an inherent characteristic of the low melting point filler occurring when the low melting point filler is cooled after being melted,
according to the scheme, the low-melting-point filler is adopted, so that when the low-melting-point filler is heated at a heating temperature suitable for the low melting temperature, only the low-melting-point material in the low-melting-point filler is melted, transformed and fixedly connected, and the warp and weft with other non-low melting points can keep the shape unchanged substantially and keep the original tension on the warp and weft after heating and cooling, so that the hardened structure can be formed, and the flexibility and the connecting force of the inner connecting part in two directions can be kept; secondly, the above purpose can be directly realized by only adding the filler on the basis of not changing the existing manufacturing process, so that the process is simple, and the block structure is stable and reliable. The heating process of forming the hardened structure in the mounting area can be completely realized by means of the heating process in the shaping process when the dyed chain belt forms the bending structure, and the heating process is not required to be additionally arranged.
The further technical scheme can also be that the thickness of the inner connecting part is larger than that of the outer connecting part by increasing the diameter of the warp threads of the inner connecting part or increasing the interweaving layer number of the warp threads and the weft threads of the inner connecting part.
The further technical scheme can also be that at least part of the warp threads in the mounting area belong to low-melting-point warp threads, all the fiber threads in the low-melting-point warp threads belong to low-melting-point fiber threads, and the melting temperature of the low-melting-point fiber threads is close to that of the low-melting-point filler.
The further technical scheme can also be that at least part of the warp threads positioned in the mounting area belong to a blended thread, and the blended thread comprises two fiber threads with different melting temperatures, one fiber thread belongs to a low-melting-point fiber thread with the melting temperature close to that of the low-melting-point filler, and the other fiber thread belongs to a common fiber thread with the melting temperature close to that of the weft thread. Thus, each low-melting-point warp thread can maintain the welding capacity and the warp-wise connecting tension.
Further technical solution may be that the low melting point filler is a ribbon or a wire.
The present invention also provides a method of forming a slide fastener further based on the method of forming the fastener tape, characterized by comprising the method of forming a fastener tape according to any one of claims 8 to 11, further comprising a step of mounting fastener elements and a slider, wherein after the warp and weft are interlaced and the low melting point filler is added, the fastener elements are mounted on the mounting region by sewing, the inner connecting portion is heated again and then cooled to obtain the structure in a hardened state, and finally the slider is mounted on the fastener elements of the two fastener tapes, the slider combining the two rows of the fastener elements for engaging or releasing the two rows of the fastener elements with each other.
The hardened structure is formed after the zipper teeth are installed, the low-melting-point filler can be used for directly welding and fixing the stitches of the zipper teeth, and the stitch stretching is greatly reduced, so that the gaps of the zipper seen from the front surface are reduced. Secondly, compared with the prior art, the mounting area is still in a non-welded state when the zipper teeth are mounted, so that a sewing needle of a sewing machine cannot be easily damaged, and the sewing needle does not have an impact bulge.
The zipper belt is dyed before the hardened structure is obtained, the temperature of the dyeing process is lower than the melting temperature of the low-melting-point filler, the hardened structure is obtained simultaneously by utilizing the opportunity of heat setting and bending, and then the pull head is installed.
Due to the characteristics and advantages, the zipper tape can be applied to the zipper tape, the zipper and the applied skin appliance.
Drawings
FIG. 1 is a schematic structural view of a zipper-equipped cloth in a covering appliance to which the present invention is applied;
FIG. 2 is a schematic view showing a structure of a link belt to which the present invention is applied;
FIG. 3 is an enlarged view of the warp and weft of the fastener tape to which the present invention is applied.
Detailed Description
The structure and forming method of the zipper belt, zipper and applied covering tool applying the technical scheme of the invention are further specifically described in the following with the accompanying drawings.
As shown in fig. 1, the present invention provides a skin appliance, which comprises an outer layer formed by a cloth-like object 1, wherein a seaming part 11 is arranged in the cloth-like object 1; a zipper 2 is coupled to the seam part 11 for linking or opening the cloth 1; the cloth 1 is a textile, a real leather or a leather; the skin appliance is a garment, a seat, a sofa, a mattress or a decorative panel.
The zipper 2 comprises two zipper tapes 3, a pull head 21 and zipper teeth 22, wherein the zipper teeth 22 are connected and installed at the back of the zipper tapes 3 through first sewing threads 23, the two zipper tapes 3 are respectively sewed at the back of the cloth-shaped object 1 through second sewing threads 12 and positioned at two sides of the sewing position 11, and the pull head 21 is combined with the two rows of zipper teeth 22 and used for enabling the two rows of zipper teeth 22 to be mutually meshed or opened so as to enable the sewing position 11 of the cloth-shaped object 1 to be closed or opened.
The fastener tape 3 according to the present invention, as shown in fig. 3, includes warps Y and wefts X which are interlaced with each other in a longitudinal direction (Y-axis direction), wherein the warps Y are yarns extending in the longitudinal direction in which the fastener tape 3 extends, and the wefts X are yarns extending in a direction substantially perpendicular to the warps Y, and when they are interlaced together, a cloth tape is formed. Since the warp threads Y are not subjected to a left-right pulling force in the X-axis direction, the weft threads X extend from the outer connecting portion 32 to the inner connecting portion 31, and the outer connecting portion 32 and the inner connecting portion 31 are connected to each other mainly by the weft threads X.
As shown in fig. 1 and 2, the chain belt 3 includes an inner connecting portion 31 and an outer connecting portion 32 connected to each other by the weft X, the inner connecting portion 31 and the outer connecting portion 32 are relatively bent to have a stable gap 30, the inner connecting portion 31 and the outer connecting portion 32 are transitionally connected by a bent transition portion d, the inner connecting portion 31, the outer connecting portion 32 and the bent transition portion d are connected by the weft X, and the warp Y is not stressed in the X-axis direction before welding, that is, cannot resist the pulling force in the X-direction Y before welding; the outer connecting portion 32 is used for connecting the cloth 1 outside, and the inner connecting portion 31 is used for mounting the fastener element 22.
As shown in fig. 2 and 3, the inner connecting portion 31 is sequentially arranged along the X-axis direction: the fastener comprises an outer side locking region a, an installation region b extending rightwards from the locking region a, an inner side extension part C extending inwards (also towards the bending transition part d) from the installation region b, the bending transition part d continuing rightwards from the inner side extension part C and an outer connecting part 32 positioned outside the bending transition part d, wherein the first stitching line 23 connects the fastener element 22 and the installation region b of the inner connecting part 31.
The inner connecting portion 31 and the outer connecting portion 32 are bent relatively, which not only defines a relative arrangement angle between the outer connecting portion 32 and the inner connecting portion 31, but also defines a bending transition portion d between the outer connecting portion 32 and the inner connecting portion 31, and the outer connecting portion 32 and the inner connecting portion 31 are actually connected through the bending transition portion d. Then, the outer connecting portion 32 and the inner connecting portion 31 are bent relatively, and the coupling elements 22 are sewn to the inner surface of the inner connecting portion 31 to form the concealed slide fastener 2. This bending step or bending structure is generally performed when the slide fastener 2 is set, and it is not always necessary to bend the outer connecting portion 32 and the inner connecting portion 31 relative to each other at least when the fastener elements 22 are attached.
Wherein the coupling element 22 is connected to the inner connecting portion 31 by the first stitches 23, and conversely, there is a mounting area b for the first stitches 23 on the inner connecting portion 31, and the first stitches 23 pass through the mounting area b, are combined with the longitude and latitude of the position and have two rows of penetrating sites 4, each penetrating site 4 passes through one of the first stitches 23, and the longitude and latitude of the mounting area b forms the positioning of the first stitches 23 by means of the penetrating sites 4, and for this reason, the mounting area b is at least an area including the penetrating sites 4 surrounding the first stitches 23. Since the first thread 23 is sewn to the mounting region b through the fastener element 22, there is no necessary logical relationship between the width of the fastener element 22 and the width of the mounting region b, as long as the mounting region b can be coupled with the first thread 23, and the width of the fastener element 22 may be greater than or equal to the width of the mounting region b.
As shown in fig. 3, at least the mounting region b further comprises a low-melting-point filler Y1, and at least a part of the low-melting-point filler Y1 is fixedly connected with the warp threads Y and the weft threads X in a welding manner, so that the mounting region b is in a hardened structure. The hardened structure is a structure which has certain hardness on the outer surface, at least has much higher hardness than other parts and is not easy to deform, and the inner structure is hardened. The hardened state structure allows the warp threads Y in the mounting area b to have the ability to resist a tensile force in the X-axis direction, i.e., the left-right direction.
The first type is that the low-melting-point filler Y1 is formed into a block shape by a melting mode, the second type is that the melted low-melting-point filler Y1 is welded to other unmelted warp yarns Y and weft yarns X, after the temperature is reduced, the melted low-melting-point filler Y1 is hardened, and the warp yarns and the weft yarns can be fixedly connected with each other through the low-melting-point filler Y1 to form a hardened structure.
In the above-described arrangement, the fusible low-melting-point filler Y1 may be disposed in the entire inner connecting portion 31 so as to be fused between all the adjacent warp and weft threads X, only a part of the low-melting-point filler Y1 may be fused, or a part of the warp threads Y and even a part of the warp threads Y may be provided as fusible low-melting-point fiber threads; the low-melting-point filler Y1 itself may be a granular, sheet-like, or strip-like material such as a fiber filament, fiber particle, plastic sheet, or plastic particle that can be melted at low temperature, or a sheet-like or strip-like material containing the low-temperature-melting material. Next, the entire inner connecting portion 31 may be set to be in a hardened state, or only the mounting region b may be set to be in a hardened state, or the hardened state may be further extended from the first stitches 23 to the bent transition portion d by a predetermined width.
According to the technical scheme, compared with the prior art, the low-melting-point filler Y1 is fixedly connected with the warp and weft X in a welding mode to at least enable the mounting area b to form a hardened state structure, the low-melting-point filler Y1 is only required to be melted and connected into blocks through a heating mode on the basis of the traditional warp and weft interweaving process, the process is simple, and the block structure is stable and reliable; secondly, the hardened state structure enables the warp Y in the installation area b to have the capacity of resisting tension in the left and right directions, and the hardened state structure can reduce the left and right movement of a suture line relative to the installation area b when the chain belts are subjected to left and right tension, so that a gap between the two chain belts after the chain teeth are installed is smaller when viewed from the front. The heating process of forming the hardened structure in the mounting region b can be completely realized by the heating process in the shaping process when the dyed chain belt forms the bending structure.
Further, according to a further aspect, the hardened state structure may be extended inward to the bending transition portion d between the outer connecting portion 32 and the inner connecting portion 31 so that the inner extension portion C is also hardened state structure, and by this extension arrangement, not only the stable gap 30 through which the bottom plate 211 of the slider 21 passes is formed between the bending transition portion d and the fastener element 22 so as to facilitate the vertical movement of the bottom plate of the slider 21, but also the bending transition portion d starts to be bent with reference to the hardened state structure in the hardened state structure, so that a gap seen from the front between the two fastener tapes 3 after they are engaged is further reduced.
Further, the thickness W1 of the inner connecting portion 31 may be greater than the thickness W2 of the outer connecting portion 32. This can enhance the rigidity of the inner connecting portion 31, particularly the structure in a hardened state. Further, the low melting point filler Y1 may be a ribbon or a wire, thereby facilitating the work and processing.
Further, the low melting point filler Y1 may be a ribbon or a wire, thereby facilitating the work and processing.
The present invention further provides a method for forming the fastener tape 3, which includes longitudinally and longitudinally interlaced warp threads Y and weft threads X, and when viewed from a cross-sectional direction, the fastener tape 3 includes an outer connecting portion 32 and an inner connecting portion 31 connected to each other by the weft threads X, the outer connecting portion 32 and the inner connecting portion 31 are bent relatively, the outer connecting portion 32 is used for connecting an external cloth 1, the inner connecting portion 31 is used for mounting the fastener elements 22, the inner connecting portion 31 includes a mounting region b for coupling first stitches 23, and the first stitches 23 are used for connecting the fastener elements 22 and the inner connecting portion 31; the method is characterized in that a low-melting-point filler Y1 is further added at least in the mounting area b, the melting temperature of the low-melting-point filler Y1 is at least lower than that of the weft X, after the warp Y and the weft X are interwoven and the low-melting-point filler Y1 is assembled, the inner connecting part 31 is heated at a heating temperature which is matched with the melting temperature of the low-melting-point filler Y1, so that the low-melting-point filler Y1 is melted and filled in gaps between the warp Y and the weft X and becomes a frit, the low-melting-point filler Y1 is hardened, and the low-melting-point filler Y1 is welded to the warp X and the weft X, so that a hardened structure is obtained.
The low-melting-point filler Y1 may be added in the gaps between the warp yarns Y and the weft yarns X in advance, or may be arranged on the outer surfaces of the warp yarns and the weft yarns in advance to allow the low-melting-point filler Y1 to penetrate into the gaps between the warp yarns Y and the weft yarns X when being melted.
Wherein the low melting point filler Y1 becomes hard, which is an inherent characteristic of the low melting point filler Y1 occurring when it is cooled after melting,
according to the above solution, it is beneficial to have the technical effects that firstly, the low melting point filler Y1 is adopted, so that when heating is carried out at a heating temperature adapted to the low melting point, only the low melting point material in the low melting point filler Y1 is melted and changed into a frit and fixed connection is realized, and the warp threads Y and the weft threads X with other non-low melting points can keep the original tension without substantial change of shape and on the warp and weft degrees after heating and cooling, thereby forming the hardened structure and keeping the flexibility and the connection force of the inner connection part 31 in two directions; secondly, the above purpose can be directly realized by only adding the filler on the basis of not changing the existing manufacturing process, so that the process is simple, and the block structure is stable and reliable. The heating step of forming the hardened structure in the mounting region b can be completely realized by the heating process in the shaping step when the dyed chain belt 3 is formed into the bent structure, and a heating step is not required.
Further, the technical solution may also be that the thickness of the inner connecting portion 31 is larger than that of the outer connecting portion 32 by increasing the diameter of the warp yarn Y of the inner connecting portion 31 or increasing the number of interweaving layers of the warp yarn Y and the weft yarn X of the inner connecting portion 31.
Further technical solution may also be that at least a part of the warp threads Y located in the mounting area b belong to low-melting-point warp threads Y, all the fiber threads in the low-melting-point warp threads Y belong to low-melting-point fiber threads, and the melting temperature of the low-melting-point fiber threads is close to the melting temperature of the low-melting-point filler Y1.
Further, according to the technical scheme, at least a part of the warp yarns Y in the mounting area b belong to a blended yarn, and the blended yarn comprises two kinds of fiber yarns with different melting temperatures, one kind of the low-melting-point fiber yarns belongs to low-melting-point fiber yarns with the melting temperature close to that of the low-melting-point filler Y1, and the other kind of the low-melting-point fiber yarns belongs to common fiber yarns with the melting temperature close to that of the weft yarns X. Thus, each low-melting-point warp yarn Y can maintain the welding capacity and the warp-wise connecting tension.
Further, the low melting point filler Y1 may be a ribbon or a wire.
The present invention also provides a method for forming a slide fastener 2 further based on the method for forming the fastener tape 3, comprising a step of attaching the fastener elements 22 and the slider 21, wherein after the warp and weft are completely interlaced and the low melting point filler Y1 is added, the fastener elements 22 are attached to the attaching region b by the first stitches 23, and the inner connecting portion 31 is heated again and then cooled to obtain the hardened structure, wherein the hardened structure makes the warp Y in the attaching region b have a capability of resisting a pulling force in the X-axis direction, i.e., the left-right direction, so that the first stitches 23 are held by the hardened structure and cannot move in the X-axis direction, and the first stitches 23 are difficult to pull the hardened structure to deform; finally, the slider 21 is mounted on the elements 22 of the two fastener tapes 3, and the slider 21 is combined with the two rows of the elements 22 for engaging or opening the two rows of the elements 22 with each other.
The element 22 is attached and then the hardened structure is formed, the first stitches 23 of the element 22 can be directly welded and fixed by the low melting point filler Y1, and the stretching of the first stitches 23 can be greatly reduced to reduce the gaps of the slide fastener 2 viewed from the front. Secondly, compared with the prior art, the low-melting-point filler Y1 of the mounting area b is still in a non-welded state when the zipper element 22 is mounted, so that a sewing needle of a sewing machine cannot be easily damaged, and the impact bulge of the sewing needle is avoided.
Further, according to a further aspect, the fastener tape 3 may be dyed before the hardened structure is obtained, the temperature in the dyeing step may be lower than the melting temperature of the low melting point filler Y1, and then the hardened structure may be obtained by heat setting and bending, and the slider 21 may be mounted later.
Claims (14)
1. A second improved link belt, which includes longitudinally extending warps and wefts interlaced with each other, and which includes, as viewed in a cross-sectional direction, an outer connecting portion and an inner connecting portion connected to each other via the wefts, the outer connecting portion and the inner connecting portion being bent with respect to each other, the outer connecting portion being adapted to be connected to an external fabric, the inner connecting portion being adapted to be attached with fastener elements, the inner connecting portion including an attachment region for coupling with a suture for connecting the fastener elements to the inner connecting portion; the inner connecting part is characterized in that at least the mounting area also comprises low-melting-point filler, and at least part of the low-melting-point filler is fixedly connected with warp and weft in a welding manner so as to enable the mounting area to be in a hardened structure.
2. The link belt of claim 1 wherein the structure in a panel state extends inwardly to a bend transition between the outer and inner connecting portions.
3. The link belt of claim 1 wherein the inner connecting portion has a thickness greater than a thickness of the outer connecting portion.
4. The link belt according to claim 1, 2 or 3, wherein the low melting point filler is a ribbon or a wire.
5. A slide fastener comprising two fastener tapes according to any one of claims 1 to 4, wherein fastener elements are attached to an attachment region of an inner connecting portion of each of the fastener tapes by sewing; the zipper is characterized by further comprising a pull head, wherein the pull head is combined with the two rows of zipper teeth and is used for enabling the two rows of zipper teeth to be mutually meshed or opened.
6. The skin appliance comprises an outer layer formed by cloth-shaped objects, wherein the cloth-shaped objects are provided with seaming parts; wherein the zipper of claim 5 is coupled to the seaming portion for linking or opening the cloth; the cloth is a textile, a real leather or a leather.
7. The skinning tool of claim 6 wherein the skinning tool is a garment, a seat, a sofa, a mattress or a trim panel.
8. A method of forming a link belt including warps and wefts which are longitudinally extended and crisscrossed, the link belt including an outer connecting portion and an inner connecting portion which are connected to each other by the wefts, the outer connecting portion and the inner connecting portion being bent with respect to each other, the outer connecting portion being adapted to connect an outer cloth, the inner connecting portion being adapted to mount coupling elements, the inner connecting portion including mounting regions for coupling stitches for connecting the coupling elements to the inner connecting portion; the method is characterized in that low-melting-point fillers are added at least in the installation area, the melting temperature of the low-melting-point fillers is at least lower than that of wefts, after warps and wefts are interwoven and the low-melting-point fillers are assembled, the inner connecting part is heated at the heating temperature which is matched with the melting temperature of the low-melting-point fillers, so that the low-melting-point fillers are melted and filled in gaps between the warps and the wefts and become frits, the low-melting-point fillers are hardened, and the low-melting-point fillers are welded to the warps and the wefts, so that a hardened structure is obtained.
9. The method of forming a link belt according to claim 8, wherein the thickness of the inner connecting portion is made larger than that of the outer connecting portion by increasing the diameter of the warp threads of the inner connecting portion or by increasing the number of layers of the warp threads and the weft threads of the inner connecting portion.
10. The method of forming the link belt according to claim 8 or 9, wherein at least a part of warp threads located in the mounting region belong to low-melting-point warp threads, and all the fiber threads in the low-melting-point warp threads belong to low-melting-point fiber threads, and the melting temperature of the low-melting-point fiber threads is close to the melting temperature of the low-melting-point filler.
11. The method of forming the link belt according to claim 8 or 9, wherein at least a part of the warp threads located in the mounting region belong to a blended thread containing two types of fiber threads having different melting temperatures, one type of low-melting fiber threads having a melting temperature close to that of the low-melting filler, and the other type of ordinary fiber threads having a melting temperature close to that of the weft threads.
12. The method of forming a link belt according to claim 8 or 9, wherein the low melting point filler is a ribbon or a wire.
13. A method of forming a slide fastener comprising the method of forming fastener stringers according to any one of claims 8 to 12, further comprising the step of attaching fastener elements and a slider, wherein after the warp and weft are woven and the low melting point filler is added, the fastener elements are attached by sewing on the attaching region, the inner connecting portion is heated again and then cooled to obtain the structure in a hardened state, and finally the slider is attached to the fastener elements of the two fastener stringers, and the slider is attached to the two rows of the fastener elements for engaging or disengaging the two rows of the fastener elements with each other.
14. The method of claim 13, wherein the fastener tapes are dyed before the structure in a panel state is obtained, the dyeing step is performed at a temperature lower than a melting temperature of the low melting point filler, and then the structure in a panel state is obtained while the fastener tapes are heat-set and folded, and then the slider is post-attached.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990375 | 2020-09-18 | ||
| CN2020109903752 | 2020-09-18 |
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| CN112075728A true CN112075728A (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011043611.6A Withdrawn CN112075728A (en) | 2020-09-18 | 2020-09-28 | Second improved fastener tape, zipper, covering tool and forming method thereof |
| CN202022172044.6U Active CN212729035U (en) | 2020-09-18 | 2020-09-28 | Second improved chain belt, zipper and skin appliance applied to zipper |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022172044.6U Active CN212729035U (en) | 2020-09-18 | 2020-09-28 | Second improved chain belt, zipper and skin appliance applied to zipper |
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| CN (2) | CN112075728A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057523A1 (en) * | 2020-09-18 | 2022-03-24 | 开易(广东)服装配件有限公司 | Improved fastener stringer, slide fastener, skin product and forming method therefor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075728A (en) * | 2020-09-18 | 2020-12-15 | 开易(广东)服装配件有限公司 | Second improved fastener tape, zipper, covering tool and forming method thereof |
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| CN110545689A (en) * | 2017-03-09 | 2019-12-06 | Ykk株式会社 | Product with zipper and method for manufacturing product with zipper |
| CN212729035U (en) * | 2020-09-18 | 2021-03-19 | 开易(广东)服装配件有限公司 | Second improved chain belt, zipper and skin appliance applied to zipper |
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2020
- 2020-09-28 CN CN202011043611.6A patent/CN112075728A/en not_active Withdrawn
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| US5470516A (en) * | 1993-02-26 | 1995-11-28 | Yoshida Kogyo K.K. | Method of molding a separable bottom stop assembly on a concealed slide fastener |
| TW458053U (en) * | 1997-09-04 | 2001-10-01 | Farcent Entpr Co Ltd | Enhanced structure for dust removing paper |
| CN102481040A (en) * | 2009-09-11 | 2012-05-30 | Ykk株式会社 | Fastener stringer for concealed slide fastener |
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| CN110545689A (en) * | 2017-03-09 | 2019-12-06 | Ykk株式会社 | Product with zipper and method for manufacturing product with zipper |
| CN107485131A (en) * | 2017-09-30 | 2017-12-19 | 开易(广东)服装配件有限公司 | The slide fastener of slide fastener strap and its composition |
| CN212729035U (en) * | 2020-09-18 | 2021-03-19 | 开易(广东)服装配件有限公司 | Second improved chain belt, zipper and skin appliance applied to zipper |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022057523A1 (en) * | 2020-09-18 | 2022-03-24 | 开易(广东)服装配件有限公司 | Improved fastener stringer, slide fastener, skin product and forming method therefor |
| JP2023534904A (en) * | 2020-09-18 | 2023-08-15 | ▲開▼易（湖北）拉▲鏈▼制造有限公司 | Improved fastener tape, slide fastener, skin product and method of forming fastener tape |
| JP7399520B2 (en) | 2020-09-18 | 2023-12-18 | ▲開▼易（湖北）拉▲鏈▼制造有限公司 | Improved fastener tape, slide fastener, skin product and method for forming fastener tape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN212729035U (en) | 2021-03-19 |
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Application publication date: 20201215 |